java读写xml文件实例
import java.io.FileWriter;import java.io.IOException;
import java.util.Iterator;
import org.dom4j.*;
import org.dom4j.io.XMLWriter;
/*
* Created on 2004-11-3
*/
/**
* @author Legend
*
*/
public class Dom4jSample {
public static void main(String[] args) {
Dom4jSample dom4jSample = new Dom4jSample();
Document document = dom4jSample.createDocument();
try{
dom4jSample.FileWrite(document);
Document documentStr = dom4jSample.StringToXML("<China>I Love!</China>");
dom4jSample.XMLWrite(documentStr);
Element legend = dom4jSample.FindElement(document);
System.out.println(legend.getText());
}
catch(Exception e)
{
}
}
/*
* Create a XML Document
*/
public Document createDocument()
{
Document document = DocumentHelper.createDocument();
Element root = document.addElement("root");
Element author1 = root.addElement("Lynch");
author1.addAttribute("Age","25");
author1.addAttribute("Country","China");
author1.addText("I am great!");
Element author2 = root.addElement("Legend");
author2.addAttribute("Age","25");
author2.addAttribute("Country","China");
author2.addText("I am great!too!");
return document;
}
/*
* Create a XML document through String
*/
public Document StringToXML(String str) throws DocumentException
{
Document document = DocumentHelper.parseText(str);
return document;
}
public Element FindElement(Document document)
{
Element root = document.getRootElement();
Element legend = null;
for(Iterator i=root.elementIterator("legend");i.hasNext();)
{
legend = (Element)i.next();
}
return legend;
}
/*
* Write a XML file
*/
public void FileWrite(Document document) throws IOException
{
FileWriter out = new FileWriter("C:/Dom2jSample.xml");
document.write(out);
out.close();
}
/*
* Write a XML format file
*/
public void XMLWrite(Document document) throws IOException
{
XMLWriter writer = new XMLWriter(new FileWriter("C:/Dom2jSampleStr.xml"));
writer.write(document);
writer.close();
}
}
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